Which of the following statements about irregular verbs is correct?

a. the rules about irregular verbs are simple and easy to learn.
b. to change tenses, an irregular verb has to change its spelling.
c. to form the past tense, an irregular verb needs a –d or –ed.
d. each irregular verb is preceded by the word "to."

To change tenses, an irregular verb has to change its spelling

B

B

Explanation:

Irregular verbs are difficult to learn because they often go against the rules of grammar when changing tenses(doesn’t end in d or Ed). As for D, infinitives are preceded with “to” so this does not apply unless the verb is in an infinitive form.

marriage difficulties adversely affect parent-child communication

he was looking for nothing because this question had no complete sentence.